.quan_1 {
  width: 100%;
  height: 100%;

  .quan_2 {
    width: 100%;
    height: 100%;
    // background-color: aqua;

    .header_1 {
      width: 100%;
      height: 43%;
      background-color: rgba(95, 114, 226);
    }

    .bottom_1 {
      width: 100%;
      height: 57%;
      background-color: #333333;
    }

    .ding1_1 {
      width: 65%;
      height: 80vh;
      position: absolute;
      top: 6%;
      left: 25%;
      border-radius: 15px;

      .ding_1 {
        overflow: hidden;
        width: 30%;
        height: 75vh;
        background-color: white;
        border-radius: 15px;
        box-shadow: 2px 2px 20px 2px rgba(0, 0, 0, 0.5);
        margin-right: 1vw;
        display: inline-block;
        position: relative;
      }

      .headerding_1 {
        width: 100%;
        height: 10vh;
        background-color: rgba(95, 114, 226);
        overflow: hidden;

        ul {
          list-style: none;
          display: flex;
          margin-top: 4vh;

          li {
            padding: 0 2vh 0 0;
          }
        }
      }
    }
  }
}
.boxItems {
  width: 100%;

  .item {
    width: 30%;
    height: 28vh;
    background-color: white;
    border-radius: 15px;
    box-shadow: 2px 2px 20px 2px rgba(0, 0, 0, 0.5);
    display: inline-block;
    margin: 10px;
    .item_header {
      width: 100%;
      height: 6vh;
      border-bottom: 1px solid #ccc;
      line-height: 6vh;
      text-align: center;
      font-size: 18px;
    }
    .item_content {
      width: 90%;
      height: 70%;
      // background: rebeccapurple;
      margin: 5% auto;
      .item_content_left {
        overflow: hidden;
        width: 35%;
        height: 90%;
        // background: rebeccapurple;
        display: inline-block;
      }
      .item_content_right {
        overflow: hidden;
        width: 65%;
        height: 90%;
        padding-left: 6%;

        display: inline-block;
        ul {
          list-style-type: none;
          li {
            line-height: 3.5vh;
            font-size: 16px;
          }
        }
      }
    }
  }
}
